Build (method = -2) #dp: 947 Step-3' Graph: 86 vertices and 251 arcs (0.01s) Step-4' Graph: 4 vertices and 87 arcs (0.01s) #V4/#V3 = 0.05 #A4/#A3 = 0.35 Ready! (0.01s) Optimize a model with 47 rows, 88 columns and 260 nonzeros Presolve removed 47 rows and 88 columns Presolve time: 0.00s Explored 0 nodes (0 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 5.000000000000e+01, best bound 5.000000000000e+01, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.02 seconds Objective: 50 Solution: 1 x [19, 43] 3 x [17, 42] 2 x [15, 41] 2 x [12, 40] 2 x [10, 39] 1 x [33, 38] 1 x [32, 37] 2 x [8, 36] 2 x [7, 35] 2 x [2, 34] 1 x [14, 33] 1 x [10, 32] 4 x [5, 31] 1 x [29, 30] 1 x [9, 29] 1 x [25, 28] 1 x [18, 27] 4 x [3, 26] 1 x [6, 25] 3 x [13, 24] 5 x [16, 23] 1 x [4, 23] 3 x [11, 22] 3 x [20, 21] 1 x [3, 20] 1 x [1, 18]